This is a guide to reading chord charts. It breaks down the many types of chords a musician is likely to encounter and gives the logic behind the way that chords are written. It starts with the most basic triads and moves all the way to 13th chords.
FreePianoPlayingTips.com offers some free practical e-mail video lessons from virtuoso teacher, Yoke Wong. She also has some excellent DVD lessons and books that may be purchased as well. A another great choice for those wanting to take their improv to another level. Check it out!
GospelPianoToday.com is another incredible site if you are looking for great DVDs that teach practical improvisation for contemporary gospel styles of music. A good choice!